(19)

(11)

EP 2 087 673 A2

(12)

(88) Date of publication A3: 14.08.2008 (43) Date of publication: 12.08.2009 Bulletin 2009/33 (21) Application number: 07854693.4 (22) Date of filing: 19.11.2007

(51) International Patent Classification (IPC):  H04L 12/66(2006.01) (86) International application number: PCT/US2007/085060 (87) International publication number: WO 2008/067203 (05.06.2008 Gazette 2008/23)

(84) Designated Contracting States: AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IS IT LI LT LU LV MC MT NL PL PT RO SE SI SK TR (30) Priority: 29.11.2006 US 605609 (71) Applicant: Verizon Services Organization Inc. Irving, TX 75038 (US)	(72) Inventor: FAHRENTHOLD, Kyle W. Rowlett, TX 75089 (US) (74) Representative: Grünecker, Kinkeldey, Stockmair & Schwanhäusser Anwaltssozietät  Leopoldstrasse 4 80802 München 80802 München (DE)